TEL AFA4000/E - Page 191

AFA4000/E VAV Airflow Controller / p.191
13.1.3 Auto Sash
Problem
Check for
Sash does not auto drive
• Ensure that there is mains power to the control unit and that
all the connections are correct.
• Ensure that the Sash 1 Settings Menu entry S1 Enabled is set
to Enabled.
• Ensure the Tilt Switch is connected or linked out, at the
control box terminals.
Sash motor does not drive
• Check the motor and clutch are connected.
• Check the sash position sensor or limit switch are connected.
Motor drives but clutch
does not engage
• Ensure that the clutch is connected.
Sash does not drive to the
correct positions
Check the calibration is correct, re-calibrate the sash stop
positions.
Sash drive does not stop
when sash is closed
Ensure that the Sash Low switch is connected and operational.
Sash drive is slow or fast
Adjust the Sash 1 Settings Menu entry S1 Motor Speed, 0 - 100%.
Auto sash status and
menus not shown
• Check the RJ45 cable is connected at both ends.
• Check the Auto Sash controller power supply is securely
plugged into the mains power socket.
• Power cycle the AFA4000 and check the version shown is
AFA4000/E(S) S = Auto sash compatible.
Obstruction detected
Alarm always shown
• Check the Light curtains or Under sash sensors have been
calibrated.
• Check the Light curtain or Under sash sensor Input polarity is
correct (block the beam, if the error resets then the input
polarity is wrong).
Sash Fault Alarm always
shown
The controller does not detect that the sash position sensor or
limit switch is fitted, check the connections.
Fault LED is illuminated
Ensure that the area between the sash sensor transmitter and
receiver is clear and that the sensors are aligned, power up again
to reset.